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11° Hex22mm / Hex25mm Rock Steel Tapered Rod , Blast Hole Drilling Rod

11° Hex22mm / Hex25mm Rock Steel Tapered Rod , Blast Hole Drilling Rod

Brand Name:JCDRILLS
Certification:ISO,CE
Model Number:11°
Minimum Order Quantity:5Pcs
Delivery Time:In stock or as order quantity
Payment Terms:T/T, L/C, D/P, Western Union, MoneyGram
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Location: Beijing Beijing China
Address: Room 1407,BuildingA,No.13,Beiyuan Road,Chaoyang District,Beijing,China
Supplier`s last login times: within 1 hours
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11° Hex22mm / Hex25mm Rock Tapered Drill Rod , Blast Hole Drilling Tapered Rod

Tapered drill equipment also provides a hexagonal chuck section to provide leverage for the rotation chuck bushing, which usually also has a forged collar to maintain the proper shank striking face position in the rock drill, and match a tapered bit at the socket end. Holes are typically drilled in 0.6 m increments to accommodate the air-leg feed length.


1. The ordinary connection taper degree is 7º, 11º and 12º, other degrees like 4.8º, 6º and 9º are also available upon request;

2. The ordinary shank is Hex22 × 108mm, Hex25 × 159mm and other styles are also available if upon customers’ request;

3. The rod length must be specified in order;

4. In order to adapt to different rock conditions, the drill rod is selected by users.


Hex22mm / Hex25mm Rock Tapered Drill Rod , Blast Hole Drilling Tapered Rod

Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Different taper sizes have different characteristics when it comes to the “knock-off” index – the smaller angle will prevent the bit from spinning.

• Suitable for small hole range
• Widely used in Dimensional Stone Quarrying Industry
• Widely used in Underground Mining Industry


1) Material: 40SiMnCrNiMo

2) Shank spec.: Hex19*108mm, Hex22*108mm, Hex25*108mm, Hex25*159mm

3) Taper connection: 7, 11, 12 degree

4) Length: 0.5m~6.0m


Types of drill rods

Specifications

Length(mm)

Shank

Weight (kg)

Tapered drill rods

Taper Angle: 4, 6, 7, 11, 12 degree

400mm to 8000mm

Hex22mm*108mm Hex25mm*159mm Hex19mm*108mm

1.7 - 24.9

Integral drill steel

Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm

400mm to 4800mm

3 – 15.4

Plug hole rods

Chisel bit diameter: 17mm, 20mm, 22mm

150mm to 710mm

0.6 - 2.9


Tapered Drill Rod-11°

In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.


We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.


China 11° Hex22mm / Hex25mm Rock Steel Tapered Rod , Blast Hole Drilling Rod supplier

11° Hex22mm / Hex25mm Rock Steel Tapered Rod , Blast Hole Drilling Rod

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